73755283
Oct 3, 1988
Aug 8, 1989
FIBER OPTIC UNITS FOR USE IN COMPUTER NETWORKING AND TACTICAL COMMUNICATION, NAMELY, TELECOMMUNICATION, DATA COMMUNICATION, AND TELEPHONY; [ MEDICAL INSTRUMENTATION UNITS FOR SENSING AND MEASURING ENVIRONMENTAL AND AMBIENT PARAMETERS; ] HOLOGRAMS; AND HOLOGRAPHIC OPTICAL ELEMENTS, NAMELY, HOLOGRAPHIC GRATINGS AND FILTERS
Electrical and Scientific Apparatus